CentOS 7 became end-of-life on July 1st and is no longer working. We now
dynamically link against libstdc++, as RHEL 8 doesn't support static
linking: https://access.redhat.com/articles/rhel8-abi-compatibility
We now use objdump in check-artifact for all linux architectures. This
avoids using a mix of objdump and ldd. ldd shows transitive
dependencies, which is less convenient.
Note that this changes the JDK used to compile releases to Java 11. That
should only impact the appearance of the Javadoc.
This adds the Android SDK to the build container, removing the
dependency on the Android SDK being available on the CI host. This
allows running on newer Kokoro images. 'Android' and 'Android interop'
CIs still depend on the Android SDK being available on the host, but
since they aren't used as part of the release process, they can more
easily migrate off Kokoro as part of future work.
This also causes Android components to now be built with -Werror, as we
use -PfailOnWarnings=true in unix.sh but were missing it from the
Android build invocations.
Gradle will auto-download the necessary version of build-tools. We don't
want to download it ourselves because the version we specify might not
even be used. Looking at logs, we were previously downloading a version
that was unused.
We now fork javac to avoid OOM. The build fails 2/3 times before the
forking, and 0/3 after.
Maven seems to have improved their download management and instead of
having their webpage choose a host they now have a CDN domain.
apache.cs.utah.edu is slow and is failing to finish the downloading.
Re-sort packages, now that the tabs aren't skewing the sorting.
I'm quite confident I had fixed this already, but I had multiple copies
of this file on multiple machines and must have fixed the wrong copy.
CentOS 6 is dead and no longer has update servers. CentOS 7 is older
than Debian 9 (oldstable), so binaries hopefully work on both. More
testing is necessary, but everything's broken now, so this is better
than nothing.
We stop using protoc-artifacts because now the container is
straight-forward enough that we can just use our own. Previously the
"devtoolset" stuff made us want to share the container.
John Cormie